Modular furniture frame



FIG. 1 is a top front perspective view of a modular furniture frame showing my design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof; the opposite side being a mirror image;

FIG. 4 is a back view thereof;

FIG. 5 is a plan view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof as used as a desk arrangement (shown as environmental structure in broken lines). 

The ornamental design for a modular furniture frame, as shown and described. 